CN212499361U - Lamination preparation equipment of collapsible ultra-thin glass apron - Google Patents

Abstract

The utility model discloses a lamination preparation device of a foldable ultrathin glass cover plate, which at least comprises a feeding cassette, a gripping device and a lamination device; the feed cassette places the two side thick glass sheets required to prepare the stack UTG and the sheet to be laminated UTG placed between the two side thick glass sheets; the gripping device at least comprises a front gripping device and a rear gripping device, the front gripping device is arranged at the downstream of the feeding cassette, the rear gripping device is arranged at the downstream of the lamination device, and the lamination device is arranged between the front gripping device and the rear gripping device. The beneficial effects are as follows: an automatic stacking mode is adopted, so that the output efficiency is high; standardized preparation is realized, and the yield is high; the water-soluble UV adhesive is used as a bonding agent, so that the automatic production mechanism is simple; UTG is easy to separate and is not easy to break in the slicing process; the spacing paper is placed between two adjacent glass sheets to be laminated, the distance between every two adjacent glass sheets to be laminated is fixed, and in the grinding and polishing flattening process, consistent chamfers are formed on the edges of the glass sheets, so that the edge strength of UTG is improved.

Description

Lamination preparation equipment of collapsible ultra-thin glass apron

Technical Field

The utility model discloses a cell-phone apron preparation technique especially relates to a folding ultra-thin glass apron's lamination method, equipment and preparation technology.

Background

The folding screen mobile phone is a model of a smart phone, the flexible AMOLED screen is a breakthrough key for realizing the folding function of the folding screen mobile phone, the folding screen mobile phone is just like a transformer, the screen is still the size of the traditional mobile phone together, the folding screen mobile phone is convenient to carry, the folding screen mobile phone is turned into a tablet personal computer after being opened, the functions of entertainment and office are achieved, and the requirements that consumers seek portability and various and unified functions are met.

At present, mobile phone merchants such as samsung, huashi, motorola and millet start to release the folding screen mobile phones. In order to solve the crease problem of a screen plastic cover plate and strengthen and protect an AMOLED panel below the screen plastic cover plate, the concept of foldable ultrathin glass (UTG) has been introduced by Samsung electronics in 2020, and the Samsung electronics is used as a protective cover plate of a folding screen mobile phone, so that a Galaxy Z Flip mobile phone is successfully put out; and a new folding screen mobile phone supporting the S Pen function is pushed out. The industry predicts that foldable cell phones will form over 1000 million markets in 2020, may grow to 7000 million in 2022, and UTG protective covers will be in short supply.

The folding screen mobile phone is high in price and has a direct relation with the current production technology, a lamination process is performed in the production process of the foldable ultrathin glass (UTG) cover plate, as shown in fig. 1, a UTG mother board 1 is guided into a workbench hand, the UTG mother board 1 is cut and cut by laser to form a plurality of to-be-laminated sheets UTG10, 20-30 to-be-laminated sheets UTG10 which are cut by laser are laminated together to form a stack UTG13, and then a CNC (numerical control) edging process is performed on the stack UTG 13. In the lamination process, the conventional lamination method is to place the jig on a hot plate, manually stack the sheets UTG10, and use wax as the adhesive between adjacent UTG glasses. This way of operation has a number of drawbacks, such as:

(1) manual operation, more preparation personnel and working hours, low production speed and low yield; the prepared product has obvious differentiation and low yield;

(2) the wax is used as the adhesive, so that the automatic production is not easy to realize;

(3) UTG are prone to cracking during the slicing process after the grinding process.

Therefore, in view of the drawbacks of the prior art, those skilled in the art have endeavored to develop a method and apparatus for laminating a foldable ultra-thin glass cover plate and a process for manufacturing the same, so as to improve efficiency and quality in mass production of the foldable ultra-thin glass cover plate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding piece method, equipment and preparation technology of collapsible ultra-thin glass apron to change manual working's mode, realize the volume production of apron through mechanized production, improve the yields of apron, with the problem among the solution background art.

The utility model aims at realizing through the following technical scheme:

a method for laminating a foldable ultrathin glass cover plate is one of the steps of a laminating process in a preparation process of the foldable ultrathin glass cover plate, and is the latter link of laser cutting, wherein a foldable ultrathin glass (UTG) mother plate is subjected to laser cutting to form a to-be-laminated sheet UTG, and CNC edge grinding is performed after a plurality of sheets UTG are laminated; the method comprises the following steps:

step 1: sequentially placing thick glass sheets on two sides required for preparing the cover plate and a to-be-laminated sheet UTG arranged between the thick glass sheets on the two sides;

step 2: sequentially laminating a front thick glass sheet in the thick glass sheets on the two sides, a to-be-laminated sheet UTG and a rear thick glass sheet in the thick glass sheets on the two sides, and gluing the two adjacent glass sheets through glue dispensing;

step 3: UTG, as laminated in Step2, is pressed and cured to complete the lamination process for the foldable ultra-thin glass cover sheet to form a stack UTG.

Further, the two side thick glass sheets are the same size as the sheet UTG to be laminated that is placed between the two side thick glass sheets.

Further, the glass sheets laminated in sequence at Step2 require a stack alignment to be set to achieve alignment between the glass sheets laminated each time and the glass sheets already laminated at the previous Step.

Further, dispensing is performed in the form of a frame coated with glue at Step2, and a frame dispensing process is performed on the edges of the placed glass sheet.

Further, in Step2, water-soluble UV glue is used as an adhesive for glue dispensing to achieve adhesion between two adjacent glass sheets.

Further, a piece of spacer paper was placed between the two adjacent glass sheets at Step2 to fix the distance between the two adjacent glass sheets.

In order to realize the lamination method, the utility model also provides a lamination preparation device of the foldable ultrathin glass cover plate, which at least comprises a feeding cassette, a gripping device and a lamination device; wherein the feed cassette is used to place two side thick glass sheets required to prepare the stack UTG and a sheet to be laminated UTG placed between the two side thick glass sheets; the gripping device at least comprises a front gripping device and a rear gripping device, wherein the front gripping device is arranged at the downstream of the feeding cassette and is used for sequentially transferring the glass sheets in the feeding cassette to the laminating device, and the rear gripping device is arranged at the downstream of the laminating device and is used for transferring the stacked stacks UTG which are stacked on the laminating device to the discharging track; the lamination device is arranged between the front grabbing device and the rear grabbing device and used for achieving the lamination and fixing of the lamination UTG to be treated.

Further, the feeding cassette is square, and the lamination UTG is placed in the feeding cassette in a vertical position, so that the front grabbing device can grab the lamination.

Further, the lamination device at least comprises a lamination mechanism, a glue dispensing mechanism, a paper placing mechanism and a curing mechanism; the laminating mechanism at least comprises a bearing base station, the bearing base station is used for placing the to-be-laminated sheets UTG, and the glue dispensing mechanism, the paper placing mechanism and the curing mechanism are respectively arranged on two sides of the bearing base station for realizing the laminating process and are used for dispensing, placing and curing the to-be-laminated sheets UTG.

Further, lamination mechanism bear the base station according to treating the lamination UTG shape, be square setting, its adjacent both sides edge sets up "L" type lamination calibration portion, bear on the base station with the relative both sides edge of lamination calibration portion sets up the push pedal, with lamination calibration portion is the benchmark, through the cooperation of push pedal is impeld, realizes treating lamination UTG and calibrates layer upon layer.

Furthermore, a groove which is through vertically is formed in the middle of the bearing base platform and used for enabling the rear grabbing device to extend into the groove to grab the whole stack UTG.

Furthermore, a plurality of communicated air holes are formed in the outer ring of the groove on the bearing base platform, and after the front thick glass sheet is placed and calibrated, the front thick glass sheet is adsorbed and fixed through the air holes.

Furthermore, the paper spacing placing position of the paper placing mechanism is the middle position of the glass sheet, the area of the paper spacing is smaller than that of the glass sheet, and the glue dispensing part is formed on the surface of the glass sheet.

Furthermore, the dispensing mechanism dispenses water-soluble UV glue on the dispensing part of the glass sheet.

Further, the curing mechanism adopts UV lamp irradiation to fix two adjacent glass sheets according to the type of glue of the glue dispensing mechanism.

The utility model provides a preparation technology of collapsible ultra-thin glass apron, the lamination processing procedure of this preparation technology adopts aforementioned at least the lamination method of collapsible ultra-thin glass apron, and through the aforesaid lamination preparation equipment realize the lamination preparation.

By implementing the laminating method, the laminating equipment and the preparation process of the foldable ultrathin glass cover plate, the foldable ultrathin glass cover plate has the following beneficial effects:

(1) the technical proposal of the utility model adopts an automatic production mode, replaces manual lamination by a mechanical mechanism, has less personnel investment, quick preparation and high output rate; the standard preparation is realized, and the yield is high;

(2) the technical proposal of the utility model uses water-soluble UV glue as adhesive, and the automatic production mechanism is simple; in the subsequent slicing process, UTG is easy to separate and is not easy to break by adopting the water-soluble UV adhesive as the adhesive;

(3) the utility model relates to an among the technical scheme, treat the middle check paper of placing of lamination glass piece adjacent two, can fix every two adjacent intervals of treating between the lamination glass piece, in follow-up grinding and polishing smooth the processing procedure, the chamfer of glass piece edge formation uniformity improves UTG's marginal strength.

Drawings

FIG. 1 is a diagram illustrating a relationship between UTG cover plate manufacturing process in the background art of the present invention;

FIG. 2 is a view of the overall structure of the lamination device according to the embodiment of the present invention;

FIG. 3 is a schematic view of the feed cassette configuration of FIG. 2;

FIG. 4 is a schematic view of the lamination mechanism of FIG. 2;

FIG. 5 is a cross-sectional view of the loading base of FIG. 4;

FIG. 6 is a top view of FIG. 5;

fig. 7 is a schematic view of the surface of the glass sheets of fig. 2 when laminated.

FIG. 8 is a flow chart of a lamination method according to an embodiment of the present invention;

wherein:

1. UTG a motherboard; 10. to-be-laminated UTG; 11. leading the thick glass sheet; 12. guiding the thick glass sheet; 13. A stack UTG;

2. feeding a cassette;

30. a front gripping device; 31. a rear gripping device;

4. a lamination device; 40. a lamination mechanism; 400 a carrying base platform; 401. a lamination alignment unit; 402. pushing the plate; 403. a groove; 404. air holes; 41. a glue dispensing mechanism; 410. a glue dispensing part; 42. a paper placing mechanism; 420. a spacer paper; 43. and (5) a curing mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses embodiment provides a lamination preparation equipment of collapsible ultra-thin glass apron, this equipment be applicable to in the preparation technology of the collapsible ultra-thin glass apron that figure 1 shows in the step of lamination processing procedure, for the latter preparation link use equipment of material is opened to laser, open the material at collapsible ultra-thin glass (UTG) mother board 1 by laser and form and wait lamination UTG10, carry out the CNC edging after multi-disc UTG range upon range of.

It should be noted that, in the conventional process for preparing the laminated sheet UTG, 20 to 30 sheets of sheets to be laminated UTG10 are generally required for forming the laminated sheet UTG13, two guide-thick glass sheets (11, 12) are arranged in front of and behind each other, the thickness of the two guide-thick glass sheets (11, 12) is generally 0.7mm, and the prepared space between two adjacent glass sheets is generally 10 to 15 μm.

The structure of the lamination preparation equipment of the technical scheme is shown in figure 2 and at least comprises a feeding cassette 2, a gripping device and a lamination device 4.

Wherein, the feeding cassette 2 is of a square structure as shown in fig. 3, and is used for placing a front thick glass sheet 11, a rear thick glass sheet 12 and a to-be-laminated sheet UTG10 and UTG mother board 1 which is arranged between the two thick glass sheets (11 and 12) of the guide sheets on two sides and is required to prepare a stack UTG13, the to-be-laminated sheet UTG10 is formed after laser cutting, and is placed in the feeding cassette 2, generally, 10 to 50 to-be-laminated sheets UTG10 are placed in one feeding cassette 2, and the preferred number of sheets is 30; in the present solution, the thickness range of the front thick glass sheet 11 and the rear thick glass sheet 12 is 0.7-1.1mm, and the front thick glass sheet and the rear thick glass sheet serve as upper and lower substrates of the stack UTG13, and protect the stack UTG13 during subsequent edging and other processing.

The length and width of the square configuration of the feed cassette 2 is the same as the length and width of the stack to be laminated UTG10, so that the stack to be laminated UTG10 is in a vertical arrangement with a leading thick glass sheet 11 at the front end, a trailing thick glass sheet 12 at the rear end, and a stack to be laminated UTG10 in the middle for easy grasping by the grasping device.

As shown in fig. 2 and 4, the gripping device at least includes a front gripping device 30 and a rear gripping device 31, wherein the front gripping device 30 is disposed downstream of the feeding cassette 2 for sequentially transferring the glass sheets in the feeding cassette 2 to the laminating device 4, and the rear gripping device 31 is disposed downstream of the laminating device 4 for transferring the stacked stack UTG13 stacked on the laminating device 4 to the discharging track.

In this embodiment, the front gripper 30 employs a suction cup robot that grips the front thick glass 11 or the sheets to be laminated UTG10 or the rear thick glass sheet 12 in the vertical direction, and turns the front thick glass 11 or the sheets to be laminated UTG10 or the rear thick glass sheet 12 horizontally to place the front thick glass 11 or the sheets to be laminated UTG10 or the rear thick glass sheet 12 on the laminating device 4.

In this embodiment, the rear gripping device 31 employs a gripper robot that picks up the stack UTG13 from the lamination device 4.

As shown in fig. 2 and 4, the lamination device 4 is disposed between the front gripping device 30 and the rear gripping device 31, and is used for stacking and fixing the to-be-laminated sheets UTG 10; the lamination device 4 at least comprises a lamination mechanism 40, a glue dispensing mechanism 41, a paper placing mechanism 42 and a curing mechanism 43; as shown in fig. 5, the bearing base 400 is used for placing the to-be-laminated sheets UTG10, and is arranged in a square shape according to the shape of the to-be-laminated sheets UTG10, and has long sides and short sides, the front gripping device 30 and the rear gripping device 31 are respectively arranged in the direction of the two short sides of the bearing base 400, so that the to-be-laminated sheets UTG10 move along the direction of the short sides; a laminated alignment part 401 is arranged at the edge of a group of adjacent long sides and short sides of the bearing base 400, and the laminated alignment part 401 is in an L-shaped layout overall; meanwhile, push plates 402 are arranged on the other group of long sides and short sides of the bearing base table 400 opposite to the stacking calibration portion, as shown in the figure, two push plates 402 are arranged on the long sides, one push plate 402 is arranged on the short sides, the stacking calibration portion 401 serves as a reference, layer-by-layer calibration of the lamination UTG10 is achieved through matching propulsion of the push plates 402, in actual operation, the two push plates 402 on the long sides push first, then one push plate 402 on the short sides pushes, and therefore it is guaranteed that the glass workpiece cannot be pushed askew when pushed. It should be noted that the lamination UTG can be square, and two push plates 402 can be disposed on one side.

As shown in fig. 2, 5, and 6, the supporting base 10 has a vertically through groove 403 in the middle, one side of the groove 403 penetrates the long side of the supporting base 400 on which the two push plates 402 are provided, and is formed in an inverted "convex" shape in a plan view, and the rear gripper 31, i.e., the gripper robot used in the present embodiment, extends into the supporting base 400 from the groove 403 to grip and transfer the stacked stack UTG13 together.

As shown in fig. 5 and 6, a plurality of air holes 404 are provided on the outer circumference of the groove 403 of the supporting base 400, the air holes 404 are externally connected with a vacuum generator, the front thick glass sheet 11 is placed on the supporting base 400, and after being aligned by the stacking alignment part 401 and the push plate 402, the front thick glass sheet 11 is fixed by the air holes 404.

The dispensing mechanism 41, the paper placing mechanism 42 and the curing mechanism 43 are respectively disposed on two sides of the carrying base 400 for implementing the laminating process, and are used for dispensing, placing and curing the to-be-laminated sheet UTG 10. As shown in fig. 2 and 4, a paper placing mechanism 42 and a curing mechanism 43 are arranged on one side of the long side of the bearing base 400, where the push plate 402 is arranged, the paper placing mechanism 42 here is a conventional paper placing machine, after a glass sheet is placed in the glass sheet, a piece of spacer paper 420 is placed on the upper surface of the glass sheet by the paper placing machine, as shown in fig. 7, the spacer paper 420 is placed near the middle position of the glass sheet, the area is smaller than the upper surface area of the glass sheet, and the difference value between the spacer paper 420 and the area of the glass sheet forms a dispensing part 410; the dispensing mechanism 41 is provided on the long side of the carrier base 400 on which the lamination reference portion 401 is provided.

The dispensing mechanism 41 can be a conventional dispensing machine, the dispensing machine adopts water-soluble UV glue, and the dispensing machine dispenses a plurality of water-soluble UV glue at the symmetrical and dispersed positions on the dispensing part 410 on the upper surface of the glass sheet; in practical operation, the UV glue is applied on the outside of the spacer paper 420, and may be applied in several dots or in a circle.

The curing mechanism 43 adopts the UV lamp to irradiate and fix two adjacent glass sheets according to the dispensing type of the dispensing mechanism 41, in the actual operation, after the water-soluble UV glue is dispensed, the front grabbing device 30 grabs another glass sheet by the sucker manipulator adopted in the technical scheme, after the calibration and the alignment, the sucker manipulator lightly pushes the upper layer of glass sheet, and irradiates the glass sheet by the UV lamp after the pushing, so that the glass sheet is fixed.

In conjunction with the above lamination preparation mechanism, the present embodiment employs a lamination method as shown in fig. 8:

StepA: a front thick glass sheet 11, twenty to thirty to-be-laminated sheets UTG10 and a rear thick glass sheet 12 required for preparing the cover plate are sequentially placed in the feeding cassette 2 and placed in the front link of the bearing base table 400;

StepB: a front thick glass sheet 11 is grabbed and placed on the bearing base table 400 through a front grabbing device 30 (namely a sucker manipulator adopted in the scheme), and after the front thick glass sheet is calibrated through a laminated calibration part 401 and a push plate 402 arranged on the bearing base table 400, the front thick glass sheet is adsorbed and fixed through a plurality of communicated air holes 404 arranged on the outer ring of the bearing base table 400;

StepC: a layer of spacing paper 420 is placed at the center of the upper surface of the front thick glass sheet 11 through a paper placing mechanism 42 (i.e. a paper placing machine adopted in the scheme), and the thickness of the spacing paper 420 is generally 10 μm; forming a dispensing part 410 at a portion where the spacer paper 420 is in contact with the upper surface of the leading thick glass sheet 11;

StepD: coating a UV glue frame on the glue dispensing part 410 through a glue dispensing mechanism 41 (namely a glue dispenser adopted in the scheme), wherein the general coating thickness is 15 μm;

StepE: grabbing a piece of lamination waiting sheet UTG10 by a front grabbing device 30 (namely a sucker manipulator adopted in the scheme) and repeating the StepB calibration step to StepD, lightly pressing the upper layer of glass sheet by the front grabbing device 30 (namely the sucker manipulator adopted in the scheme), and irradiating the upper layer of glass sheet by a UV lamp after pressing to solidify the upper and lower glass sheets;

StepF: repeating the StepE step twenty to thirty times (corresponding times depending on the actual number of sheets UTG10 to be laminated); after the lamination UTG10 is completely placed, the front grabbing device 30 (i.e. the sucker manipulator adopted in the scheme) grabs the rear thick guide glass sheet 12 and repeats the step of curing the StepE;

StepG: the rear gripper 31 (the gripping manipulator in this embodiment) grips the stack UTG13 formed in the previous step StepB-StepF through the groove 403 formed in the supporting base 400, and transmits the stack to the discharging rail for the next process.

In practical operation, the applicant takes 30 to-be-laminated sheets UTG as test objects, the preparation time is 10 minutes by adopting the equipment and the method, the output of one day (calculated by 20 working hours) is 120 batches of to-be-laminated sheets UTG, the lamination of 3600 to-be-laminated sheets UTG is totally completed, the single-machine monthly production can complete the lamination of 10 ten thousand to-be-laminated sheets UTG, the mass production efficiency is greatly improved, and the yield is high.

It is to be added that, unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any uses or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It is to be understood that the present invention is not limited to the structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (9)

1. A foldable ultra-thin glass cover plate lamination preparation device is characterized by at least comprising a feeding cassette, a grabbing device and a lamination device; wherein the feed cassette is used to place two side thick glass sheets required to prepare the stack UTG and a sheet to be laminated UTG placed between the two side thick glass sheets; the gripping device at least comprises a front gripping device and a rear gripping device, wherein the front gripping device is arranged at the downstream of the feeding cassette and is used for sequentially transferring the glass sheets in the feeding cassette to the laminating device, and the rear gripping device is arranged at the downstream of the laminating device and is used for transferring the stacked stacks UTG which are stacked on the laminating device to the discharging track; the lamination device is arranged between the front grabbing device and the rear grabbing device and used for achieving the lamination and fixing of the lamination UTG to be treated.

2. The apparatus for preparing a laminate of a foldable ultra-thin glass cover plate of claim 1, wherein the feed cassette is of a square configuration and the laminate UTG is placed in a vertical position in the feed cassette for easy grasping by a front grasping device.

3. The apparatus for preparing a laminate of a foldable ultra-thin glass cover plate of claim 1, wherein the lamination device comprises at least a lamination mechanism, a dispensing mechanism, a paper placing mechanism, and a curing mechanism; the laminating mechanism at least comprises a bearing base station, the bearing base station is used for placing the to-be-laminated sheets UTG, and the glue dispensing mechanism, the paper placing mechanism and the curing mechanism are respectively arranged on two sides of the bearing base station for realizing the laminating process and used for dispensing, placing paper and curing the to-be-laminated UTG.

4. The apparatus for manufacturing a laminate of a foldable ultra-thin glass cover plate according to claim 3, wherein the carrying base of the lamination mechanism is disposed in a square shape according to the shape of UTG to be laminated, and has L-shaped laminated alignment portions disposed at adjacent both side edges thereof, and push plates are disposed at both side edges of the carrying base opposite to the laminated alignment portions.

5. The apparatus for preparing a laminate of foldable ultra-thin glass cover plates as claimed in claim 4, wherein a groove is formed in the middle of the carrying base, and the rear grasping means extends from the groove to integrally grasp the stack UTG.

6. The apparatus for preparing a laminate of foldable ultra-thin glass cover plates according to claim 5, wherein the carrying base is provided with a plurality of communicating air holes at the outer circumference of the groove, and after the front guide thick glass sheet is placed and aligned, the front guide thick glass sheet is fixed by adsorption through the air holes.

7. The apparatus for preparing a laminate of a foldable ultra-thin glass cover plate according to claim 3, wherein the paper placing mechanism places a spacer paper in a middle position of the glass sheet, and an area of the spacer paper is smaller than an area of the glass sheet, and a spot gluing part is formed on a surface of the glass sheet.

8. The apparatus for preparing a laminate of a foldable ultra-thin glass cover plate according to claim 3, wherein the dispensing mechanism dispenses a water-soluble UV glue on the dispensing portion of the glass sheet.

9. The apparatus for preparing a laminate of foldable ultra-thin glass cover plates according to claim 8, wherein the curing mechanism fixes two adjacent glass sheets by UV lamp irradiation according to the glue type of the dispensing mechanism.

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